Cita APA (7th ed.)

Sladen, E. (1965). Modern commerce; a course in commerce for advanced students (7th ed.). Pitman.

Cita Chicago (17th ed.)

Sladen, Edward. Modern Commerce; a Course in Commerce for Advanced Students. 7th ed. London: Pitman, 1965.

Cita MLA (9th ed.)

Sladen, Edward. Modern Commerce; a Course in Commerce for Advanced Students. 7th ed. Pitman, 1965.